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Standards GB - Chinese national standards - Page 323
Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
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GB/T 13818-2024
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Die casting zinc alloys
Standard published on 25.4.2024
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GB/T 13819-2013
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Copper and copper alloy castings
Standard published on 18.9.2013
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GB/T 13820-2018
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Magnesium alloy castings
Standard published on 13.7.2018
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GB/T 13821-2023
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Zinc alloy die castings
Standard published on 23.5.2023
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GB/T 13822-2017
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Test specimens for nonferrous diecasting alloys
Standard published on 29.12.2017
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GB/T 13823.12-1995
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Methods for the calibration of vibration and shock pick-ups--Resonance frequencytesting of undamped accelerometers on a steel block
Standard published on 2.4.1995
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GB/T 13823.14-1995
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Methods for the calibration of vibration and shock pick-ups--Primary calibration by centrifuge
Standard published on 2.4.1995
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GB/T 13823.15-1995
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Methods for calibration of vibration and shock pick-ups--Testing of transient temperature sensitivity
Standard published on 12.7.1995
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GB/T 13823.16-1995
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Methods for calibrationof vibration and shock pick-ups--Testing of temperature response by comparison
Standard published on 12.7.1995
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GB/T 13823.17-1996
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Methods for the calibration of vibration and shock pick-ups--Testing of acoustic sensitivity
Standard published on 10.4.1996
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